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Finding the Fourth Proportional to 8,568.45, 11,803.32 and 7,305.39

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Solution

The fourth proportional to 8,568.45, 11,803.32 and 7,305.39 is: 10,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.45 : 11,803.32 = 7,305.39 : x
  2. Step 2: Convert to fraction form
    8,568.45/11,803.32 = 7,305.39/x
  3. Step 3: Cross multiply
    8,568.45x = 11,803.32 × 7,305.39
  4. Step 4: Simplify right side
    8,568.45x = 86,227,855.89
  5. Step 5: Solve for x
    x = 86,227,855.89/8,568.45
  6. Step 6: Final answer
    x = 10,063.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.